American Airlines officially laid the McDonnell Douglas MD-80 to rest on Wednesday after 36 years of service with the airline. Today, 26 Super 80s, as the airline marketed them as, still in American Airlines' polished aluminum liveries, embarked on their final flight to Roswell, New Mexico where they will enjoy their long days in the sun, ending an era for the airline. AA80, operated by N984TW, acted as the final revenue flight for the chrome-plated MD-80s, flying from Dallas/Fort Worth…